[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. syzkaller login: [ 34.185031] IPVS: ftp: loaded support on port[0] = 21 executing program [ 34.317200] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 34.325076] gfs2: fsid=syz:syz: Now mounting FS... [ 34.341245] gfs2: fsid=syz:syz.0: journal 0 mapped with 6 extents [ 34.347855] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 34.354659] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 34.364264] gfs2: fsid=syz:syz.0: jid=0: Done [ 34.369066] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 34.429901] WARNING: CPU: 0 PID: 8109 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 34.439772] Kernel panic - not syncing: panic_on_warn set ... [ 34.439772] [ 34.447332] CPU: 0 PID: 8109 Comm: syz-executor481 Not tainted 4.19.211-syzkaller #0 [ 34.455233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 34.464579] Call Trace: [ 34.467160] dump_stack+0x1fc/0x2ef [ 34.470779] panic+0x26a/0x50e [ 34.473962] ? __warn_printk+0xf3/0xf3 [ 34.477927] ? account_page_dirtied+0x8cc/0xbb0 [ 34.482584] ? __probe_kernel_read+0x130/0x1b0 [ 34.487154] ? __warn.cold+0x5/0x5a [ 34.490766] ? __warn+0xe4/0x200 [ 34.494133] ? account_page_dirtied+0x8cc/0xbb0 [ 34.498810] __warn.cold+0x20/0x5a [ 34.502338] ? account_page_dirtied+0x8cc/0xbb0 [ 34.507083] report_bug+0x262/0x2b0 [ 34.510724] do_error_trap+0x1d7/0x310 [ 34.514690] ? math_error+0x310/0x310 [ 34.518490] ? mark_held_locks+0xf0/0xf0 [ 34.522554] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 34.527655] ? error_entry+0x72/0xd0 [ 34.531358] ? trace_hardirqs_off_caller+0x2c/0x210 [ 34.536362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.541212] invalid_op+0x14/0x20 [ 34.544666] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 34.550032] Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d [ 34.568918] RSP: 0000:ffff888094c0f940 EFLAGS: 00010093 [ 34.574451] RAX: ffff88809626a340 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 34.581717] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 34.589081] RBP: ffff8880ae534460 R08: 0000000000000001 R09: 0000000000000000 [ 34.596713] R10: 0000000000000005 R11: 0000000000074071 R12: ffffea000271b640 [ 34.603977] R13: ffff8880ae5342d8 R14: ffff888094d71a90 R15: ffffea000271b648 [ 34.611785] ? account_page_dirtied+0x8bf/0xbb0 [ 34.616454] ? account_page_dirtied+0x8cc/0xbb0 [ 34.621120] __set_page_dirty+0x7f/0x3e0 [ 34.625172] ? lock_page_memcg+0xa7/0x220 [ 34.629327] mark_buffer_dirty+0x424/0x5c0 [ 34.633759] gfs2_unpin+0xd6/0xe80 [ 34.637382] ? log_write_header+0x29b/0x1010 [ 34.641786] ? wait_woken+0x250/0x250 [ 34.645683] buf_lo_after_commit+0x140/0x210 [ 34.650094] ? gfs2_unpin+0xe80/0xe80 [ 34.653881] gfs2_log_flush+0x9fa/0x1ef0 [ 34.657945] ? lock_acquire+0x170/0x3c0 [ 34.661911] ? gfs2_log_shutdown+0x3f0/0x3f0 [ 34.666319] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 34.671414] ? debug_check_no_obj_freed+0x201/0x490 [ 34.676423] ? mark_held_locks+0xa6/0xf0 [ 34.680566] ? kfree+0x110/0x210 [ 34.683934] ? unregister_shrinker+0x1cb/0x300 [ 34.688505] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.693093] gfs2_kill_sb+0x54/0x1a0 [ 34.696802] deactivate_locked_super+0x94/0x160 [ 34.701471] deactivate_super+0x174/0x1a0 [ 34.705622] ? deactivate_locked_super+0x160/0x160 [ 34.710544] ? dput+0x31/0x640 [ 34.713728] cleanup_mnt+0x1a8/0x290 [ 34.717435] task_work_run+0x148/0x1c0 [ 34.721317] do_exit+0xbf3/0x2be0 [ 34.724801] ? lock_downgrade+0x720/0x720 [ 34.728950] ? mm_update_next_owner+0x650/0x650 [ 34.733608] ? up_read+0x17/0x110 [ 34.737050] ? __do_page_fault+0x180/0xd60 [ 34.741285] do_group_exit+0x125/0x310 [ 34.745181] __x64_sys_exit_group+0x3a/0x50 [ 34.749493] do_syscall_64+0xf9/0x620 [ 34.753282] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.758478] RIP: 0033:0x7fedb6c7ea39 [ 34.762186] Code: Bad RIP value. [ 34.765551] RSP: 002b:00007ffd2357f388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 34.773247] RAX: ffffffffffffffda RBX: 00007fedb6d06330 RCX: 00007fedb6c7ea39 [ 34.780512] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 34.787767] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fedb6d00e40 [ 34.795023] R10: 000000000001259e R11: 0000000000000246 R12: 00007fedb6d06330 [ 34.802286] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 34.810000] Kernel Offset: disabled [ 34.813691] Rebooting in 86400 seconds..